function cbi_row_swap(elem, up, store)
{
var tr = elem.parentNode;
- while (tr && tr.nodeName != 'tr')
+ while (tr && tr.nodeName.toLowerCase() != 'tr')
tr = tr.parentNode;
+ if (!tr)
+ return false;
+
var table = tr.parentNode;
- while (table && table.nodeName != 'table')
+ while (table && table.nodeName.toLowerCase() != 'table')
table = table.parentNode;
+ if (!table)
+ return false;
+
var s = up ? 3 : 2;
var e = up ? table.rows.length : table.rows.length - 1;